Home / 13,920.62-20,875.73-5,597.82

Finding the Fourth Proportional to 13,920.62, 20,875.73 and 5,597.82

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Solution

The fourth proportional to 13,920.62, 20,875.73 and 5,597.82 is: 8,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,920.62 : 20,875.73 = 5,597.82 : x
  2. Step 2: Convert to fraction form
    13,920.62/20,875.73 = 5,597.82/x
  3. Step 3: Cross multiply
    13,920.62x = 20,875.73 × 5,597.82
  4. Step 4: Simplify right side
    13,920.62x = 116,858,550.92
  5. Step 5: Solve for x
    x = 116,858,550.92/13,920.62
  6. Step 6: Final answer
    x = 8,394.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.